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2 Harmful Supplements To Avoid If You’re At Risk For Gallbladder Issues: Caffeine & Vitamin C

March 17, 2025 by Faith Geiger

 
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Supplements are often viewed as a simple way to improve your health and target a number of issues. In many cases, they can, in fact, do some good for your health—especially if they’re filling in nutrient gaps you don’t get straight from your food. However, it’s important to remember that many supplements come with hidden risks. In fact, there are a few options that health experts warn could be especially dangerous to those at risk of gallbladder issues.

To shed some light on some potentially harmful options, we spoke to Dr. Michael Lahey. He warned against caffeine-based supplements and Vitamin C, in particular. Read on to learn about the risks of each below. 

1. Caffeine-Based

Numerous energy boosters and weight loss supplements include caffeine. Regrettably, although this can provide a burst of energy, "these can irritate the bladder and make it secrete more often," Dr. Lahey warns. adding that they can also increase the urgency to urinate.

This is particularly worrisome for those with existing bladder issues or heightened sensitivity. Rather than turning to caffeine pills or supplements, he suggests opting for natural options such as green or chamomile tea in moderate amounts.

These alternatives provide a milder energy lift without putting too much strain on your bladder. Besides steering clear of caffeine supplements, it's wise to limit the consumption of caffeinated drinks like tea, coffee, or sodas. Overall, keeping an eye on your intake is essential.

2. High-Dose Vitamin C

Vitamin C is an essential nutrient that plays a crucial role in bolstering your immune system by defending against oxidative stress. Nonetheless, excessive intake can negatively impact your bladder. "Taking too much of it, especially more than 2000 milligrams a day, will cause inflammation of the bladder lining and frequent urge to urinate," Dr. Lahey warns.

To avoid these issues, he recommends sticking to the prescribed daily intake. It is always wise to obtain your nutrients directly from the foods you consume. Choose foods high in Vitamin C, such as strawberries, bell peppers, and oranges. This approach helps you fulfill your nutritional requirements without endangering your bladder.

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